# FsChartArea An area on a chart page, possibly geo-referenced.   ##### Syntax ``` wasm struct FsChartArea { const char* layer; bool geoReferenced; FsChartRectangle chartRectangle; FsChartRectangle worldRectangle; FsChartGeoReferenceLambertConformalConicProjection projection; }; ```   ##### Members {{< table-wrapper >}} | Enum Member | Description | |------------------|--------------------------------------------------------------------------------------------------------------------------| | `layer` | The layer name. | | `geoReferenced` | Whether the area is geo-referenced. If it is, `worldRectangle` and `projection` will have values. | | `chartRectangle` | The rectangle giving the pixel coordinates of the area on the chart. | | `worldRectangle` | The rectangle giving the longitude/latitude coordinates of the area on the chart. Only valid if `geoReferenced` is true. | | `projection` | The projection used by the area. Only valid if `geoReferenced` is true. | {{< /table-wrapper >}}   ##### Remarks N/A